ES2144352A1 - Seasonal diurnal/nocturnal sphere - Google Patents
Seasonal diurnal/nocturnal sphereInfo
- Publication number
- ES2144352A1 ES2144352A1 ES009702520A ES9702520A ES2144352A1 ES 2144352 A1 ES2144352 A1 ES 2144352A1 ES 009702520 A ES009702520 A ES 009702520A ES 9702520 A ES9702520 A ES 9702520A ES 2144352 A1 ES2144352 A1 ES 2144352A1
- Authority
- ES
- Spain
- Prior art keywords
- sphere
- hemispheres
- grooves
- minutes
- diurnal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Instructional Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
It consists of a terrestrial globe 1 which, upon rotation inscribed in a transparent sphere composed of two hemispheres 2, 3 of different colour which in turn oscillate with a path of 46 degree 50 minutes of arc, simulates the sequence of day/night and the progress through the seasons. The aforesaid oscillation is facilitated by two grooves 4, 5 of 23 degree 27 minutes of arc formed in each one of the hemispheres 2, 3. Said grooves 4, 5 are traversed by extensions 6 of the polar axis of the terrestrial globe 1. It has teaching and industrial applications. Provision is made for versions incorporating a circumscribed celestial sphere, with the use of a single one of the hemispheres and with modification of the system for anchoring the transparent sphere to the support frame. All versions have internal illumination.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9702520A ES2144352B1 (en) | 1997-12-04 | 1997-12-04 | STATIONAL NIGHT / NIGHT SPHERE. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9702520A ES2144352B1 (en) | 1997-12-04 | 1997-12-04 | STATIONAL NIGHT / NIGHT SPHERE. |
Publications (2)
Publication Number | Publication Date |
---|---|
ES2144352A1 true ES2144352A1 (en) | 2000-06-01 |
ES2144352B1 ES2144352B1 (en) | 2001-01-01 |
Family
ID=8301390
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES9702520A Expired - Lifetime ES2144352B1 (en) | 1997-12-04 | 1997-12-04 | STATIONAL NIGHT / NIGHT SPHERE. |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES2144352B1 (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2985969A (en) * | 1959-10-05 | 1961-05-30 | Farquhar Robert Hamilton | Mechanism for simulating the relative movements of the earth, the celestial sphere and an earth satellite |
WO1986001916A1 (en) * | 1984-09-13 | 1986-03-27 | Jung Sahm Kim | Globe clock |
US5344325A (en) * | 1993-05-17 | 1994-09-06 | Wang Zn Hu | Automatic tracking astronomical globe |
ES1028019Y (en) * | 1994-05-25 | 1995-04-01 | Gonzalez Eduard Masia | PERFECTED ARMILAR LOCAL BLUE SPHERE. |
-
1997
- 1997-12-04 ES ES9702520A patent/ES2144352B1/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2985969A (en) * | 1959-10-05 | 1961-05-30 | Farquhar Robert Hamilton | Mechanism for simulating the relative movements of the earth, the celestial sphere and an earth satellite |
WO1986001916A1 (en) * | 1984-09-13 | 1986-03-27 | Jung Sahm Kim | Globe clock |
US5344325A (en) * | 1993-05-17 | 1994-09-06 | Wang Zn Hu | Automatic tracking astronomical globe |
ES1028019Y (en) * | 1994-05-25 | 1995-04-01 | Gonzalez Eduard Masia | PERFECTED ARMILAR LOCAL BLUE SPHERE. |
Also Published As
Publication number | Publication date |
---|---|
ES2144352B1 (en) | 2001-01-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FA2A | Application withdrawn |
Effective date: 19990426 |
|
EC2A | Search report published |
Date of ref document: 20000601 Kind code of ref document: A1 Effective date: 20000601 |
|
FA2A | Application withdrawn |
Effective date: 20030610 |